[mythtv] FFMpeg sync

[Shawn king]

On 05/09/2012 06:45 AM, Gavin Hurlbut wrote:
> On Tue, May 8, 2012 at 1:25 PM, Paul Kendall<pkendall64 at gmail.com>  wrote:
>> Would it be at all possible to keep the mythtv specific patches to ffmpeg
>> in the external directory so we can attempt to get them included in the
>> ffmpeg trunk? I know that some of them are very specific and not likely to
>> be accepted, but at least we'll have them available so it should be easier
>> to apply each time there's a sync going on.
> Well, I'll be working on that through this release cycle a bit.  When
> I sync them, I basically do:
> a) remove all of FFmpeg
> b) add in new sync
> c) patch with the delta from before a) to the version of FFmpeg a) was based on
> d) fight with it until we find all the discrepancies
> e) update all our uses to match the new API
>
> It's a lot of juggling of branches and merging with squashes, etc.
> Rather fun...  heh.
>
> However, I'd like to work on getting that delta earlier, and chipping
> off parts to send upstream to make it disappear over time.  There are
> parts that likely never will go upstream though, but I'm sure parts of
> it easily can.
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you could probably get rid of mythutil.c file and replace it with avcodec_get_name in avcodec.h and av_get_media_type_string in avutil.h

would also be nice to have configure call ffmpegs configure script like what happens in xbmc instead of merging it all into one single configure script.